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JAVASCRIPT TUTORIAL

JAVASCRIPT TUTORIAL

Java is one of the best implementations of Relational database management system (RDBMS) and (ORDBMS). You can manage any database after learning it.

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Database System


A database is an collection of organized and structural data, or information, usually stored electronically on a computer system.

DBMS is a software system, Where a database is controlled by a DBMS.

A software application system consisting of data and DBMS is usually called database system, or simply database.

Oracle, MySQL, PostgreSQL, SQL Server, MS Access are all commercial databases.

Learn Java

Practice with examples "Try it Now"

You can practice the Oracle command in your machine by following examples.

To see the output for every example click "Try it Now"

Example

public class Main {
  public static void main(String[] args) {
    int x = 20;
    int y = 18;
    if (x > y) {
      System.out.println("x is greater than y");
    }  
  }
}
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Click on the "Try it Now" button to see how it works.


Sample Code

Copy each file contents and paste it to your own project and run to see the final output

Example

class Animal {
  public void animalSound() {
    System.out.println("The animal makes a sound");
  }
}

class Pig extends Animal {
  public void animalSound() {
    System.out.println("The pig says: wee wee");
  }
}

class Dog extends Animal {
  public void animalSound() {
    System.out.println("The dog says: bow wow");
  }
}

class Main {
  public static void main(String[] args) {
    Animal myAnimal = new Animal();  // Create a Animal object
    Animal myPig = new Pig();  // Create a Pig object
    Animal myDog = new Dog();  // Create a Dog object
    myAnimal.animalSound();
    myPig.animalSound();
    myDog.animalSound();
  }
}
Try it Now »

Click on the "Try it Now" button to see how it works.